Nanotechnology–General Aspects: A Chemical Reduction Approach to the Synthesis of Nanoparticles

Molecules, Год журнала: 2023, Номер 28(13), С. 4932 - 4932

Опубликована: Июнь 22, 2023

The role of nanotechnology is increasingly important in our society. Through it, scientists are acquiring the ability to understand structure and properties materials manipulate them at scale atoms molecules. Nanomaterials forefront rapidly growing field nanotechnology. synthesis nanostructured materials, especially metallic nanoparticles, has attracted tremendous interest over past decade due their unique properties, making these excellent indispensable many areas human activity. These special can be attributed small size large specific surface area which very different from those bulk materials. Nanoparticles sizes shapes needed for applications, so a variety protocols required produce monodisperse nanoparticles with controlled morphology. purpose this review firstly introduce reader basic aspects related and, secondly, discuss greater detail. This article explains concepts nanotechnology, introduces methods synthesizing describes types, possible applications. Of proposed metal chemical reduction usually preferred because it easy perform, cost-effective, efficient, also allows control structural parameters through optimization conditions. Therefore, method discussed more detail—each factor by described detail, i.e., precursors, solvents, reducing agents, stabilizers. that used characterize nanomaterials described. Finally, based on available literature collection, shown how changing parameters/methods affects final characteristics nanoparticles.

Язык: Английский

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Understanding the mechanism underlying the green synthesis of Metallic nanoparticles using plant extract(s) with special reference to Silver, Gold, Copper and Zinc oxide nanoparticles

Hybrid Advances, Год журнала: 2025, Номер 9, С. 100399 - 100399

Опубликована: Фев. 1, 2025

Язык: Английский

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Breaking Barriers in Eco-Friendly Synthesis of Plant-Mediated Metal/Metal Oxide/Bimetallic Nanoparticles: Antibacterial, Anticancer, Mechanism Elucidation, and Versatile Utilizations

Journal of Nanomaterials, Год журнала: 2024, Номер 2024, С. 1 - 48

Опубликована: Апрель 12, 2024

Nanotechnology has emerged as a promising field in pharmaceutical research, involving producing unique nanoscale materials with sizes up to 100 nm via physiochemical and biological approaches. Nowadays more emphasis been given eco-friendly techniques for developing nanomaterials enhance their applications minimize health environmental risks. With the help of green nanotechnology, wide range metal, metal oxide, bimetallic nanoparticles distinct chemical compositions, sizes, morphologies have manufactured which are safe, economical, environment friendly. Due biocompatibility vast potential biomedical (antibacterial, anticancer, antiviral, analgesic, anticoagulant, biofilm inhibitory activity) other fields such (nanofertilizers, fermentative, food, bioethanol production, construction field), garnered significant interest worldwide. The precursors combined natural extracts plants, algae, fungi, bacteria get potent novel Ag, Au, Co, Cu, Fe, Zr, Zn, Ni, Pt, Mg, Ti, Pd, Cd, Bi2O3, CeO2, Co3O4, CoFe2O4, CuO, Fe2O3, MgO, NiO, TiO2, ZnO, ZrO2, Ag-Au, Ag-Cr, Ag-Cu, Ag-Zn, Ag-CeO2, Ag-CuO, Ag-SeO2, Ag-TiO2, Ag-ZnO, Cu-Ag, Cu-Mg, Cu-Ni, Pd-Pt, Pt-Ag, ZnO-CuO, ZnO-SeO, ZnO-Se, Se-Zr, Co-Bi2O3. These plant-mediated possess excellent antibacterial anticancer activity when tested against several microorganisms cancer cell lines. Plants contain essential phytoconstituents (polyphenols, flavonoids, terpenoids, glycosides, alkaloids, etc.) compared sources (bacteria, algae) higher concentration that play vital role development because these plant-phytoconstituents act reducing, stabilizing, capping agent helps nanoparticles. After concluding all findings, this review designed first time way it imparts satisfactory knowledge about together, along mechanisms. Additionally, provides information characterization (UV–vis, FT-IR, DLS, XRD, SEM, TEM, BET, AFM) employed nanoparticles, applications, industries. Hence, various types versatile application diverse is not covered pieces literature.

Язык: Английский

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Eco-Friendly Synthesis of Gold Nanoparticles via Tangerine Peel Extract: Unveiling Their Multifaceted Biological and Catalytic Potentials

Heliyon, Год журнала: 2024, Номер 11(1), С. e40104 - e40104

Опубликована: Ноя. 7, 2024

Recent advancements in nanoscience underscore the transformative potential of nanomaterials environmental and biological applications. In this study, we synthesized gold nanoparticles (Au@TPE NPs) using an eco-friendly cost-effective approach, leveraging tangerine peel extract as both a capping reducing agent. This method presents sustainable alternative to traditional chemical agents. We optimized synthesis parameters, including time (5, 30, 60, 90 min), temperature (25, 40, 60°C), concentration 10, 15, 20 mM) refine size morphology. Characterization via UV-Vis, XRD, FT-IR, EDAX, FESEM, TEM revealed that at 40°C 15 mM exhibited optimal (∼26±5 nm) spherical shape. The Au@TPE NPs demonstrated antibacterial activity against Gram-positive Gram-negative bacteria, with minimum inhibitory concentrations (MIC) 31.25 μg/ml for Klebsiella pneumoniae Escherichia coli, 62.5 Pseudomonas aeruginosa. Notably, they also antifungal Candida albicans 92.7% antioxidant DPPH scavenging assay 250 μg/ml. Photocatalytic tests effectively degraded methyl orange rhodamine B, achieving 88.6% 93.2% degradation under UV light, respectively, 67.3% 74.1% sunlight. These promising catalytic properties suggest significant diverse

Язык: Английский

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Recent Advancements and Unexplored Biomedical Applications of Green Synthesized Ag and Au Nanoparticles: A Review

International Journal of Nanomedicine, Год журнала: 2024, Номер Volume 19, С. 3187 - 3215

Опубликована: Апрель 1, 2024

Abstract: Green synthesis of silver (Ag) and gold (Au) nanoparticles (NPs) has acquired huge popularity owing to their potential applications in various fields. A large number research articles exist the literature describing green Ag Au NPs for biomedical applications. However, these findings are scattered, making it time-consuming researchers locate promising advancements unexplored Unlike other review articles, this systematic study not only highlights recent but also explores The article discusses approaches highlighting emerging developments novel strategies. Then, reviews important synthesized by critically evaluating expected advantages. To expose future direction field, describes NPs. Finally, discuss challenges limitations This will serve as a valuable reference researchers, working on Keywords: nanoparticles, environmental-friendly, applications, potentials

Язык: Английский

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Green-route synthesis of ZnO nanoparticles via Solanum surattense leaf extract: Characterization, biomedical applications and their ecotoxicity assessment of zebrafish embryo model

South African Journal of Botany, Год журнала: 2024, Номер 167, С. 643 - 662

Опубликована: Март 11, 2024

Язык: Английский

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Bimetallic nanoparticles from coinage metals (Cu, Ag, Au) and its biomedical applications: A Review

Nano-Structures & Nano-Objects, Год журнала: 2024, Номер 39, С. 101247 - 101247

Опубликована: Июль 7, 2024

Язык: Английский

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Gold nanoparticles-based biosensors: pioneering solutions for bacterial and viral pathogen detection—a comprehensive review

World Journal of Microbiology and Biotechnology, Год журнала: 2024, Номер 40(9)

Опубликована: Июль 16, 2024

Язык: Английский

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Phytogenic nanoparticles: synthesis, characterization, and their roles in physiology and biochemistry of plants

BioMetals, Год журнала: 2023, Номер 37(1), С. 23 - 70

Опубликована: Ноя. 2, 2023

Язык: Английский

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Structural, vibrational, optical, and anticancer properties of Hyphaene thebaica‐reduced nano‐lanthanum oxide (La₂O₃)

Applied Organometallic Chemistry, Год журнала: 2023, Номер 37(6)

Опубликована: Март 27, 2023

Phytoextracts modulated synthesis of nano‐scaled spherical lanthanum oxide nanoparticles (La 2 O 3 NPs) are reported using the aqueous extracts Hyphaene thebaica as a bioreducing and chelating agent. X‐ray diffraction (XRD) pattern revealed sharp peaks single‐phase purity. The Debye–Scherrer approximation indicated an average crystallite size 37 nm, whereas W‐H plot 59 complemented by high‐resolution transmission electron microscopy (HR‐TEM). infrared spectroscopy characteristic La‐O band at 426 648 cm −1 . K‐M function bandgap 5.6 eV, broad intense emission between 345 750 nm. Raman spectra 182, 325, 384, 491 Elemental composition was confirmed energy‐dispersive (EDS) spectrum, spotty rings from selected area (SAED) crystalline nature HT‐La NPs. In addition, NPs were investigated for in vitro antioxidant, anticancer, antiangiogenic, cytotoxic potentials. DPPH free radical scavenging activity highest, that is, 49.54 ± 0.88% 1000 μg/mL. MTT assay on MCF‐7 3T3 cell lines median lethal concentration 114 43 μg/mL, respectively. antiangiogenic effect examined chick chorioallantoic membrane (CAM) inhibition 57.14 0.96% 1000‐μg/mL with IC 50 551 brine shrimp lethality 314.2 Our study indicates cytotoxicity NPs, it further concluded more potent against cells compared cells. Further research biological anticancer studies recommended large‐scale applications La

Язык: Английский

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